SI2493-C-FS Silicon Laboratories Inc, SI2493-C-FS Datasheet - Page 105
SI2493-C-FS
Manufacturer Part Number
SI2493-C-FS
Description
IC ISOMODEM SYSTEM-SIDE 16SOIC
Manufacturer
Silicon Laboratories Inc
Specifications of SI2493-C-FS
Mfg Application Notes
SI2493/57/34/15/04, Appl Note AN93
Data Format
V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A
Baud Rates
56k
Interface
UART
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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3.5. Programming Examples
The following programming examples are intended to facilitate the evaluation of various modem features and serve
as example command strings used in part or in combination to create the desired modem operation. Table 75
summarizes the modem function/feature and the associated hardware pins, AT commands, S-Registers, and U-
Registers. When a command string is created to enable a particular feature, Table 75 should be reviewed to make
sure all necessary pins, commands, and registers have been considered.
Overcurrent Detection
Country Dependent
Intrusion Detection
Function/Feature
Escape (Parallel)
Parallel Interface
Modem-On-Hold
Escape (Serial)
DTE Interface
DTMF Dialing
Caller ID T1
Caller ID T2
Blacklisting
EEPROM
Autobaud
Line Rate
Settings
Table 75. Modem Feature vs. Hardware, AT Command and Register Setting
24, 4, 8, 3, 15, 9, 10,
(Si2493/57/34/15/04
16, 17, 18, 22, 23,
Hardware
3,4,18,24
pin #)
18
18
22
11
AT Commands S-Registers
+VCID, +VCDT
En, \Bn, \Pn,
\Qn, \Tn, \U
\T16, \T17
&Gn, &Hn
+VCIDR
+PMHR
+PMHF
+PMHT
+PCW
+VCID
+PCW
+PMH
:E, :M
+ATO
Rev. 0.9
%B
\B6
D
42, 43, 44
6, 8, 14
12
U0–U4C, U4D[10,1,0], U50–U52,
U76[15:9, 8, 7:5, 4:0], U77[15:12,
U70[15], Parallel Register 1[2]
11], U78[15:14, 7:0], U79[4:0]
U6A[1], U69[2], U70[10, 2],
U62[8], U67[6, 3:2, 1, 0],
U68[2, 1, 0], U69[6, 5, 4]
U77[10, 9, 8:0], U79[4:0]
U67[7], U70[11, 3],
U46–U48, U4E
U-Registers
U70[13,15]
U70[12,4]
AN93
105
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